当妮娜将银餐具装回盒子中时，少了一把分菜用的匙子。

There was a serving spoon missing when Nina put the cutlery back in its box.

《柯林斯英汉双解大词典》

“当我看到这些人处于危险中时，我只是做了我必须做的。我想在这种情况下，每个人都会这么做。”朱对《新京报》说。

"I just did what I had to when I saw that these people were in danger. I think everyone would do the same thing in such a situation," Zhu said to Beijing News.

youdao

当处于生命危险中时，一个人怎么可能有好心情呢？

How can one be in good spirits when one's life is in danger?

youdao

Most of the neurons you have now in your head, right now, you had when you were in your mother's uterus.

此时此刻,你头脑中的大部分神经元,早在你处于母亲子宫中时,就已经拥有

耶鲁公开课 - 心理学导论课程节选

And so when the figure of Orpheus appears in this poem, it's the second half of the Orpheus story that Milton is forced to tell.

因此当俄耳甫斯的形象出现在这首诗中时，弥尔顿要讲的是他生平的后一段。

耶鲁公开课 - 弥尔顿课程节选

if we have a very electronegative atom within a certain molecule, what you'll actually find is that it does affect how the molecule is going to take place or take part in different chemical or biological reactions.

如果在某个分子中有一个电负性很高的原子，你会发现它确实会影响到,这个分子所起的作用,在不同的化学反应或者生物反应中时。

麻省理工公开课 - 化学原理课程节选